Pennsylvania Company is considering two investments. The relevant data follows:

Project A Project B

Cost $189,420 $304,560

Annual cash savings (end of year) $40,000 $60,000

Terminal salvage value $0 $0

Estimated useful life in years 6 6

Method of depreciation Straight-line Straight-line

a. Ignoring taxes, the internal rate of return for Project A is approximately ____________________

b. Ignoring taxes, the internal rate of return for Project B is approximately__________________